package com.atguigu.gulimall.order.config;

import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.Exchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.core.TopicExchange;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

/**
 * @program: gulimall
 * @description:
 * @author: 江天赐
 * @create: 2022-08-19 17:10
 */
@Configuration
public class MyMQConfig {

    //Bean Bingding、Queue、Exchange

    //延时队列、死信队列 一旦创建好，属性变化再次启动也不会更改MQ，除非手动删除在重启
    @Bean //容器中的组件都会自动创建，前提是MQ中没有
    public Queue orderDelayQueue() {
        Map<String, Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange", "order-event-exchange");
        arguments.put("x-dead-letter-routing-key", "order.release.order");
        arguments.put("x-message-ttl", 60000L);
//String name, boolean durable, boolean exclusive, boolean autoDelete, @Nullable Map<String, Object> arguments
        Queue queue = new Queue("order.delay.queue", true, false, false, arguments);

        /**
         * x-dead-letter-exchange: order-event-exchange
         * x-dead-letter-routing-key: order.release.order
         * x-message-ttl: 60000
         */
        return queue;
    }

    @Bean
    public Queue orderReleaseOrderQueue() {
        Queue queue = new Queue("order.release.order.queue");
        return queue;
    }

    @Bean
    public Exchange orderEventExchange() {
        //String name, boolean durable, boolean autoDelete, Map<String, Object> arguments
        TopicExchange topicExchange = new TopicExchange("order-event-exchange", true, false);
        return topicExchange;
    }

    @Bean
    public Binding orderCreateOrder() {
        //String destination, Binding.DestinationType destinationType, String exchange, String routingKey, @Nullable Map<String, Object> arguments
        return new Binding("order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order",
                null);
    }

    @Bean
    public Binding orderReleaseOrder() {
        return new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",
                null);
    }

    /**
     * 订单释放和库存释放进行绑定
     */
    @Bean
    public Binding orderReleaseOtherBinding() {
        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null);
    }

    @Bean
    public Queue orderSeckillOrderQueue() {
        return new Queue("order.seckill.order.queue", true, false, false);
    }

    @Bean
    public Binding orderSeckillOrderQueueBinding() {
        return new Binding("order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null);
    }


}
